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  #1  
Old August 14th, 2016, 03:46 PM
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Unhappy No start on 1995 NAS truck

No start on 1995 NAS truck

Ok I have been trying to get my latest project started and have no love

I Have

Spark at coil
spark at each spark plug wire
fuel pressure at 30 psi
MAF is sucking in air
The truck cranks but will not turn over..

I pulled one fuel injector plug and have positive on both sides. ( Normal as it is ganged with the others?)
switch out a different ecu no change...
sprayed starter fluid ,,, No start

Any help would be appreciated...
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  #2  
Old August 14th, 2016, 04:03 PM
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Joshua
1995 Black ST - Rhinolined edition
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Did you put a timing light on it?

And do you have strong spark or just some spark?
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  #3  
Old August 14th, 2016, 04:22 PM
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Timing 180 degrees off maybe.
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  #4  
Old August 14th, 2016, 05:22 PM
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Jake K.
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Backfire or anything? Possible timing if you have pulled the dizzy for any reason. Did ya leave a rag inside the trumpets when you put it back together? I've seen it before. Correct firing order? Are you actually getting injector pulse or are you just getting power @ the injector plug? Changed out your 2 metal relays?
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  #5  
Old August 14th, 2016, 05:34 PM
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dizzy has not changed or moved .. since motor was pulled..
no rags in trumpet
yes correct firing order... found top dead then wired accordingly 1 8 etc.... new wires and plugs.. old plugs gas fouled ..



haven't checked pulse with plug in.. and cranking...

strong spark at coil and plugs


Relays are new .

even change to a different ecu same result
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  #6  
Old August 14th, 2016, 05:36 PM
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How did you find TDC?
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  #7  
Old August 14th, 2016, 06:43 PM
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How much do you want for this non-runner jalopy?

Just kidding. Definitely confirm timing, spark strength, and that your plugs are wired per the diagram. If you haven't done a general tune up, may be worth also cleaning up your IACV with some carb cleaner, etc.
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  #8  
Old August 14th, 2016, 06:54 PM
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I seem to recall a relay on the firewall that trips when involved in a collision?
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  #9  
Old August 14th, 2016, 06:54 PM
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Brian Kandefer
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Test the voltage at the coil, and at your ignition switch... Just because you have spark doesn't mean it's sufficient, I bet your voltage is low at the coil and regular at your switch. My guess is a bad ignition switch or you are a tooth off, but since you never touched the distributor....
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  #10  
Old August 17th, 2016, 02:39 PM
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Step 1: Remove the spark plug from the number one cylinder. Remove the spark plug in the engine’s number one cylinder using your ratchet and spark plug socket.
•Tip: The number one cylinder will usually be the one closest to the front of the engine, or to the front left if the engine is a V8. See the diagram above. If you are not sure which spark plug to remove, refer to a service manual to ensure that the correct spark plug is removed. If the incorrect spark plug is removed, the engine will not be set to the top dead center position.

harmonic timing balancer

Step 2: Locate the crankshaft pulley/harmonic balancer. Find your crankshaft pulley, also called the harmonic balancer. It is usually the largest pulley, often located in the center of the engine’s bottom end.

Look for the timing marks on the pulley and the marker with which to line them up, usually located on the engine’s block or front cover.
•Tip: If you are having trouble finding the pulley and/or timing marks, use your flashlight to help illuminate the area.

hand putting finger on spark plug hole

Step 3: Seal the spark plug hole. Have your helper put their finger over the top of the cylinder one spark plug hole, sealing it to the best of their ability. Continue to maintain the seal during Step 4.

person turning crankshaft by hand with ratchet

Step 4: Turn the crankshaft pulley. Turn the crankshaft pulley by hand with a ratchet and socket. As you will be turning against the engine and all of its accessories, this may require a bit of effort.

If the engine does not turn at first, use a bit more force or try to turn it the opposite direction.

Continue to turn the crankshaft pulley until your helper can feel or hear air being pushed out of the cylinder. This indicates that the cylinder is on the compression stroke.

Continue to turn the crankshaft until the zero or top dead center mark on the pulley matches up with the pointer on the engine. For most engines, the zero or top dead center mark will be the first mark, or will be clearly marked in a different color or manner than the other marks on the pulley.
•Note: If you are unsure of which mark indicates your engine’s top dead center, refer to a service manual to ensure that the engine is turned to the correct position.

crankshaft pulley at top dead position

Step 5: Verify that the engine is in top dead center position. Once the top dead center timing mark is lined up with the marker on the engine, the motor should now be at top dead center.

To verify, shine the flashlight down into the spark plug hole. You should be able to see the top of the piston clearly near the top of the cylinder.

no collisions
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  #11  
Old August 18th, 2016, 03:59 PM
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So what was the issue?
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  #12  
Old August 26th, 2016, 11:52 AM
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Ron update this freaking thread.
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  #13  
Old October 27th, 2016, 08:24 AM
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Ronaldo what was the issue? Curious.
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  #14  
Old October 27th, 2016, 12:18 PM
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Quote:
Originally Posted by rijosho View Post
Ronaldo what was the issue? Curious.
Empty fuel tank
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  #15  
Old October 27th, 2016, 02:46 PM
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Smile

TDC wasn't at TDC after my mechanic left I found TDC and starts fine.
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